Find the foci of the ellipse.
+ 
= 1
A. (- 
, 3), (
, 3)
B. (-7, 3), (1, 3)
C. (-3, 3+ 
), (-3, 3 - 
)
D. (-3 + 
, 3), (-3 - 
, 3)
Answer: D
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Solve the problem.The base radius and the height of a cylindrical can tank were measured at 35 cm and 50 cm.The precentage errors in these measurements do not exceed 0.2% for the base radius and 0.7% for the height. Approximate the worst possible percentage error in the volume of the can. Assume that the sides and ends of the can are of negligible thickness.
A. 1.4% B. 1.1% C. 0.9% D. 1.8%
Solve the equations.3z2 - 192 = 0
A. 98 B. ±9 C. 8 D. ±8
Provide an appropriate response.Vertical analysis is the comparison of the same account balance for two different years.
A. True B. False
Find the slope and y-intercept of the line.y = 6x - 4
A. slope = 6; y-intercept = - 4
B. slope = 
; y-intercept = 4
C. slope = - 4; y-intercept = 6
D. slope = - 6; y-intercept = 4